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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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42 | 42 |
43 class ImageFrameGenerator; | 43 class ImageFrameGenerator; |
44 class SharedBuffer; | 44 class SharedBuffer; |
45 struct DeferredFrameData; | 45 struct DeferredFrameData; |
46 | 46 |
47 class PLATFORM_EXPORT DeferredImageDecoder final { | 47 class PLATFORM_EXPORT DeferredImageDecoder final { |
48 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); | 48 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); |
49 USING_FAST_MALLOC(DeferredImageDecoder); | 49 USING_FAST_MALLOC(DeferredImageDecoder); |
50 | 50 |
51 public: | 51 public: |
52 static std::unique_ptr<DeferredImageDecoder> Create( | 52 static std::unique_ptr<DeferredImageDecoder> Create(RefPtr<SharedBuffer> data, |
53 PassRefPtr<SharedBuffer> data, | 53 bool data_complete, |
54 bool data_complete, | 54 ImageDecoder::AlphaOption, |
55 ImageDecoder::AlphaOption, | 55 const ColorBehavior&); |
56 const ColorBehavior&); | |
57 | 56 |
58 static std::unique_ptr<DeferredImageDecoder> CreateForTesting( | 57 static std::unique_ptr<DeferredImageDecoder> CreateForTesting( |
59 std::unique_ptr<ImageDecoder>); | 58 std::unique_ptr<ImageDecoder>); |
60 | 59 |
61 ~DeferredImageDecoder(); | 60 ~DeferredImageDecoder(); |
62 | 61 |
63 String FilenameExtension() const; | 62 String FilenameExtension() const; |
64 | 63 |
65 sk_sp<SkImage> CreateFrameAtIndex(size_t); | 64 sk_sp<SkImage> CreateFrameAtIndex(size_t); |
66 | 65 |
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85 explicit DeferredImageDecoder(std::unique_ptr<ImageDecoder> actual_decoder); | 84 explicit DeferredImageDecoder(std::unique_ptr<ImageDecoder> actual_decoder); |
86 | 85 |
87 friend class DeferredImageDecoderTest; | 86 friend class DeferredImageDecoderTest; |
88 ImageFrameGenerator* FrameGenerator() { return frame_generator_.Get(); } | 87 ImageFrameGenerator* FrameGenerator() { return frame_generator_.Get(); } |
89 | 88 |
90 void ActivateLazyDecoding(); | 89 void ActivateLazyDecoding(); |
91 void PrepareLazyDecodedFrames(); | 90 void PrepareLazyDecodedFrames(); |
92 | 91 |
93 sk_sp<SkImage> CreateFrameImageAtIndex(size_t index, bool known_to_be_opaque); | 92 sk_sp<SkImage> CreateFrameImageAtIndex(size_t index, bool known_to_be_opaque); |
94 | 93 |
95 void SetDataInternal(PassRefPtr<SharedBuffer> data, | 94 void SetDataInternal(RefPtr<SharedBuffer> data, |
96 bool all_data_received, | 95 bool all_data_received, |
97 bool push_data_to_decoder); | 96 bool push_data_to_decoder); |
98 | 97 |
99 // Copy of the data that is passed in, used by deferred decoding. | 98 // Copy of the data that is passed in, used by deferred decoding. |
100 // Allows creating readonly snapshots that may be read in another thread. | 99 // Allows creating readonly snapshots that may be read in another thread. |
101 std::unique_ptr<SkRWBuffer> rw_buffer_; | 100 std::unique_ptr<SkRWBuffer> rw_buffer_; |
102 bool all_data_received_; | 101 bool all_data_received_; |
103 std::unique_ptr<ImageDecoder> actual_decoder_; | 102 std::unique_ptr<ImageDecoder> actual_decoder_; |
104 | 103 |
105 String filename_extension_; | 104 String filename_extension_; |
106 IntSize size_; | 105 IntSize size_; |
107 int repetition_count_; | 106 int repetition_count_; |
108 bool has_embedded_color_space_ = false; | 107 bool has_embedded_color_space_ = false; |
109 sk_sp<SkColorSpace> color_space_for_sk_images_; | 108 sk_sp<SkColorSpace> color_space_for_sk_images_; |
110 bool can_yuv_decode_; | 109 bool can_yuv_decode_; |
111 bool has_hot_spot_; | 110 bool has_hot_spot_; |
112 IntPoint hot_spot_; | 111 IntPoint hot_spot_; |
113 | 112 |
114 // Caches frame state information. | 113 // Caches frame state information. |
115 Vector<DeferredFrameData> frame_data_; | 114 Vector<DeferredFrameData> frame_data_; |
116 RefPtr<ImageFrameGenerator> frame_generator_; | 115 RefPtr<ImageFrameGenerator> frame_generator_; |
117 }; | 116 }; |
118 | 117 |
119 } // namespace blink | 118 } // namespace blink |
120 | 119 |
121 #endif | 120 #endif |
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